1.

One of the factors of (9x2 − 1) − (1 + 3x)2, is(a) 3 + x(b) 3 − x(c) 3x − 1(d) 3x + 1

Answer» One of the factors of (9x2 − 1) − (1 + 3x)2, is



(a) 3 + x



(b) 3 − x



(c) 3x − 1



(d) 3x + 1


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